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Net Income per Common Share
 9 Months Ended
Apr. 30, 2013
Text Block [Abstract]  
Net Income per Common Share
Net Earnings per Common Share
Reconciliations of the numerator and denominator of the basic and diluted per share computations for the Company’s Class A and Class B common stock are summarized as follows:
 
Three months ended April 30,
 
Nine months ended April 30,
 
2013
 
2012
 
2013
 
2012
Numerator: (in thousands)
 
 
 
 
 
 
 
Earnings from continuing operations
$
21,838

 
$
28,039

 
$
37,669

 
$
84,328

Less:
 
 
 
 
 
 
 
Restricted stock dividends
(60
)
 
(57
)
 
(179
)
 
(172
)
Numerator for basic and diluted earnings from continuing operations per Class A Nonvoting Common Share
$
21,778

 
$
27,982

 
$
37,490

 
$
84,156

Less:
 
 
 
 
 
 
 
Preferential dividends
—

 
—

 
(797
)
 
(818
)
Preferential dividends on dilutive stock options
—

 
—

 
(5
)
 
(5
)
Numerator for basic and diluted earnings from continuing operations per Class B Voting Common Share
$
21,778

 
$
27,982

 
$
36,688

 
$
83,333

Denominator: (in thousands)
 
 
 
 
 
 
 
Denominator for basic earnings from continuing operations per share for both Class A and Class B
51,415

 
52,513

 
51,210

 
52,539

Plus: Effect of dilutive stock options
626

 
490

 
475

 
407

Denominator for diluted earnings from continuing operations per share for both Class A and Class B
52,041

 
53,003

 
51,685

 
52,946

Earnings from continuing operations per Class A Nonvoting Common Share:
 
 
 
 
 
 
 
Basic
$
0.42

 
$
0.53

 
$
0.73

 
$
1.60

Diluted
$
0.42

 
$
0.53

 
$
0.73

 
$
1.59

Earnings from continuing operations per Class B Voting Common Share:
 
 
 
 
 
 
 
Basic
$
0.42

 
$
0.53

 
$
0.72

 
$
1.59

Diluted
$
0.42

 
$
0.53

 
$
0.71

 
$
1.57

(Loss) from discontinued operations per Class A Nonvoting Common Share:
 
 
 
 
 
 
 
Basic
$
(0.34
)
 
$
—

 
$
(0.29
)
 
$
(2.17
)
Diluted
$
(0.34
)
 
$
(0.01
)
 
$
(0.29
)
 
$
(2.16
)
(Loss) from discontinued operations per Class B Voting Common Share:
 
 
 
 
 
 
 
Basic
$
(0.34
)
 
$
—

 
$
(0.30
)
 
$
(2.17
)
Diluted
$
(0.34
)
 
$
(0.01
)
 
$
(0.29
)
 
$
(2.15
)
Net earnings (loss) per Class A Nonvoting Common Share:
 
 
 
 
 
 
 
Basic
$
0.08

 
$
0.53

 
$
0.44

 
$
(0.57
)
Diluted
$
0.08

 
$
0.52

 
$
0.44

 
$
(0.57
)
Net earnings (loss) per Class B Voting Common Share:
 
 
 
 
 
 
 
Basic
$
0.08

 
$
0.53

 
$
0.42

 
$
(0.58
)
Diluted
$
0.08

 
$
0.52

 
$
0.42

 
$
(0.58
)

Options to purchase approximately 2,591,000 and 3,182,000 shares of Class A Nonvoting Common Stock for the three months ended April 30, 2013 and 2012, respectively, were not included in the computation of diluted net earnings per share because the impact of the inclusion of the options would have been anti-dilutive. Options to purchase approximately 3,560,000 and 4,013,000 shares of Class A Nonvoting Common Stock for the nine months ended April 30, 2013 and 2012, respectively, were not included in the computation of diluted net earnings (loss) per share as the impact of the inclusion of the options would have been anti-dilutive.